/*
 * Copyright (C) 2008 by Xume.
 * 
 * This program is free software; you can redistribute it and/or
 * modify it under the terms of the GNU General Public License
 * as published by the Free Software Foundation; either version 2
 * of the License, or (at your option) any later version.
 * 
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 * 
 * You should have received a copy of the GNU General Public License
 * along with this program; if not, write to the Free Software
 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
 */
package org.xume.critann.annotations;

import org.xume.critann.CriteriaBuilder;
import org.xume.critann.InvalidCriteriaBeanConfigurationException;
import org.xume.critann.callback.AnnotationCallback;
import org.xume.critann.value.ParameterValue;

/**
 * $Id: OrderByCallback.java 26 2008-10-16 12:45:35Z johan.siebens $
 * 
 * @author Johan Siebens
 */
public class OrderByCallback implements AnnotationCallback<OrderBy> {

	private ParameterValue value;

	public void initialize(Class<?> criteriaBeanClass, OrderBy orderBy, ParameterValue value) {
		if (!String.class.equals(value.type())) {
			throw new InvalidCriteriaBeanConfigurationException(criteriaBeanClass, "Only String properties are supported by @OrderBy");
		}
		this.value = value;
	}

	public <C, P> void doWithCriteriaBuilder(CriteriaBuilder<C, P> builder, Object criteriaBean) {
		builder.setOrderBy((String) value.value(criteriaBean));
	}

}
